/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendTransform.h
Completely rebuilds the graph connecting a preset's inputs to the reference document's root graph. It maintains previously set input values entered upon the presets wrapping graph.
class FRebuildPresetRootGraph : public [Metasound::Frontend::IDocumentTransform](API\Plugins\MetasoundFrontend\IDocumentTransform)